[FFmpeg-devel] [PATCH] avcodec/mjpeg2jpeg_bsf: Check ff_bsf_get_packet success

[sebechlebskyjan at gmail.com]

From: Jan Sebechlebsky <sebechlebskyjan at gmail.com>

This fixes ticket #5487 - mjpeg2jpeg bitstream filter causes
segmentation fault with header-less mjpeg.

Signed-off-by: Jan Sebechlebsky <sebechlebskyjan at gmail.com>
---
 libavcodec/mjpeg2jpeg_bsf.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavcodec/mjpeg2jpeg_bsf.c b/libavcodec/mjpeg2jpeg_bsf.c
index 2d4cee2..c4b5050 100644
--- a/libavcodec/mjpeg2jpeg_bsf.c
+++ b/libavcodec/mjpeg2jpeg_bsf.c
@@ -85,7 +85,9 @@ static int mjpeg2jpeg_filter(AVBSFContext *ctx, AVPacket *out)
     int input_skip, output_size;
     uint8_t *output;
 
-    ret = ff_bsf_get_packet(ctx, &in);
+    if ((ret = ff_bsf_get_packet(ctx, &in)) < 0) {
+        return ret;
+    }
 
     if (in->size < 12) {
         av_log(ctx, AV_LOG_ERROR, "input is truncated\n");
-- 
1.9.1